diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 08abcbe..a83624c 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -2615,7 +2615,7 @@ function drupal_common_theme() {
       'template' => 'image',
     ),
     'breadcrumb' => array(
-      'variables' => array('links' => [], 'breadcrumb' => []),
+      'variables' => array('links' => array(), 'breadcrumb' => array()),
       'template' => 'breadcrumb',
     ),
     'table' => array(
diff --git a/core/lib/Drupal/Core/Link.php b/core/lib/Drupal/Core/Link.php
index 90366dd..0ebc72d 100644
--- a/core/lib/Drupal/Core/Link.php
+++ b/core/lib/Drupal/Core/Link.php
@@ -40,7 +40,7 @@ public function __construct($text, Url $url) {
   }
 
   /**
-   * Creates a link object from a given route_name/parameters ...
+   * Creates a link object from a given route name and parameters.
    *
    * @param string $text
    *   The text of the link.
@@ -99,13 +99,4 @@ public function getUrl() {
     return $this->url;
   }
 
-  /**
-   * Generates the HTML representation of the link.
-   *
-   * @return string
-   */
-  public function toString() {
-    return \Drupal::linkGenerator()->generateFromUrl($this->getText(), $this->getUrl());
-  }
-
 }
diff --git a/core/lib/Drupal/Core/Utility/LinkGenerator.php b/core/lib/Drupal/Core/Utility/LinkGenerator.php
index d3093ac..f8660ab 100644
--- a/core/lib/Drupal/Core/Utility/LinkGenerator.php
+++ b/core/lib/Drupal/Core/Utility/LinkGenerator.php
@@ -11,6 +11,7 @@
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\String;
 use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Link;
 use Drupal\Core\Path\AliasManagerInterface;
 use Drupal\Core\Routing\UrlGeneratorInterface;
 use Drupal\Core\Template\Attribute;
@@ -50,6 +51,13 @@ public function __construct(UrlGeneratorInterface $url_generator, ModuleHandlerI
 
   /**
    * {@inheritdoc}
+   */
+  public function generateFromLink(Link $link) {
+    return $this->generateFromUrl($link->getText(), $link->getUrl());
+  }
+
+  /**
+   * {@inheritdoc}
    *
    * For anonymous users, the "active" class will be calculated on the server,
    * because most sites serve each anonymous user the same cached page anyway.
diff --git a/core/lib/Drupal/Core/Utility/LinkGeneratorInterface.php b/core/lib/Drupal/Core/Utility/LinkGeneratorInterface.php
index e6e74a7..edce761 100644
--- a/core/lib/Drupal/Core/Utility/LinkGeneratorInterface.php
+++ b/core/lib/Drupal/Core/Utility/LinkGeneratorInterface.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\Core\Utility;
 
+use Drupal\Core\Link;
 use Drupal\Core\Url;
 
 /**
@@ -92,4 +93,15 @@ public function generate($text, $route_name, array $parameters = array(), array
    */
   public function generateFromUrl($text, Url $url);
 
+  /**
+   * Renders a link from a link object.
+   *
+   * @param \Drupal\Core\Link $link
+   *   A link object to convert to a string.
+   *
+   * @return string
+   *   An HTML string containing a link to the given link.
+   */
+  public function generateFromLink(Link $link);
+
 }